Composition and Specifications of Main Components
Cantilever two-position pay-off stand, drawing machine proper, accumulator & tensioner, dual-spooler fully pneumatically driven, pointing & threading unit, and electrical control system.
2.1. Drawing Machine Proper (straight row rapid bobbin-change)
2.1.1. Die size: ø42×32mm (National standard)
2.1.2. Type of finish die: Rotary
2.1.3. Die threading inching: 3 pedal switches with anti-reverse device
2.1.4. Gearbox cooling and lubrication:
gear oil pump GBZ-50, 3kw , 50L/min, 2.5MPa
Heat exchanger: tubular cooler GLC4-13 13m2, tubular cooler (horizontal layout)
2.1.5. Cooling and lubrication for wire drawing:
Screw pump: 3GR42×4A, 10.5 m3 /h, 5.5 kW
Heat exchanger: GLL5-40/0.63L, 40m2tubular cooler (vertical layout)
Filter: SLQ-65, duplex barrels and net type, 0.4~0.6 MPa
Water consumption: 1000 L/hr.
Volume: 5.5 m3
2.2. Automatic Pneumatic Dual Spooler
2.2.1. Max. diameter of finish wire: 4.5 mm
2.2.2. Min. diameter of finish wire: 1.30 mm
2.2.3. Max. take-up speed: 25mm/s
2.2.4. Speed of bobbin-change: 6~12m/s (countering at preset length, error rate ≤3)
2.2.5. Max. width of traversing: 460mm (traversing width to be adjustable)
2.2.6. Max. pitch of traversing: 6 mm ( traversing pitch to be adjustable)
2.2.7. Size of take-up bobbin: PND500 or PND630
2.2.8. Power of motor for take-up: 22kW×2(DC)
2.2.9. Mode of transmission for traverse: AC variable frequency plus screw
2.3. Accumulator
1 | Length of accumulated wire | 5.9m | 3 | Wire breakage detected | Automatic stop upon wire breakage |
2 | Tension control | Max. 400N, regulated by air pressure from cylinder | 4 | Pedal inching switch | 1 No. |
2.4. Pointing and Threading Unit
1 | Diameter and rotation speed of pointing roller | 110mm, 16 rpm | 4 | Motor power | 7.5kW, AC |
2 | Range of rolling | φ1.3~12mm |
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3 | Diameter of drum | 430 |
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